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S 1483

An Act relative to menstrual product ingredient disclosure

194th Legislature (2025-2026) Introduced by Mike Brady and 16 co-sponsors

Massachusetts bill mandates manufacturers disclose all menstrual product ingredients on packaging, increasing consumer transparency for products previously exempt from cosmetic labeling rules.

New draft substituted, see S2641
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Bill Summary · S 1483

Legislative bill overview

S 1483 requires manufacturers of menstrual products sold in Massachusetts to disclose the complete ingredient lists on product packaging. The bill establishes transparency requirements for tampons, pads, and related products, which are currently exempt from ingredient disclosure requirements that apply to cosmetics and other consumer goods. A new draft (S 2641) has been substituted during the legislative process.

Why is this important

Menstrual products are used internally or in intimate contact with sensitive tissues, yet manufacturers are not required to disclose what chemicals or materials they contain. This lack of transparency prevents consumers from making informed choices about products that could affect their health, and limits researchers' ability to study potential health impacts. The bill addresses a significant information asymmetry in the consumer market.

Potential points of contention

  • Manufacturing and compliance costs: Reformulating packaging and potentially changing ingredient sourcing to meet disclosure requirements could increase production expenses, potentially raising consumer prices
  • Trade secret protections: Manufacturers may argue that complete ingredient disclosure reveals proprietary formulations and competitive advantages
  • Scope and enforcement: Unclear definitions of what constitutes a "menstrual product" or whether the bill applies only to products manufactured in Massachusetts or all products sold there

Compiled from official sources — confirm details with the bill’s official record.

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